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SPSS® 12.0 Command Syntax Reference

SPSS® 12.0 Command Syntax Reference

SPSS® 12.0 Command Syntax Reference

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1616 UNIANOVA<br />

Post Hoc Tests Statistical Purpose<br />

Keyword<br />

Homogeneity Subsets<br />

Detection<br />

Pairwise Comparison and<br />

Confidence Interval<br />

LSD Yes<br />

SIDAK Yes<br />

BONFERRONI Yes<br />

GH Yes<br />

T2 Yes<br />

T3 Yes<br />

C Yes<br />

DUNNETT Yes *<br />

DUNNETTL Yes*<br />

DUNNETTR Yes*<br />

SNK Yes<br />

BTUKEY Yes<br />

DUNCAN Yes<br />

QREGW Yes<br />

FREGW Yes<br />

WALLER Yes †<br />

TUKEY Yes Yes<br />

SCHEFFE Yes Yes<br />

GT2 Yes Yes<br />

GABRIEL Yes Yes<br />

* Only C.I.’s for differences between test group means and control group means<br />

are given.<br />

† No significance for Waller test is given.<br />

• Tests that are designed for homogeneity subset detection display the detected homogeneity<br />

subsets and their corresponding significances.<br />

• Tests that are designed for both homogeneity subset detection and pairwise comparisons<br />

display both kinds of output.<br />

• For the DUNNETT, DUNNETTL, and DUNNETTR keywords, only individual factors can be<br />

specified.<br />

• The default reference category for DUNNETT, DUNNETTL, and DUNNETTR is the last<br />

category. An integer greater than 0 within parentheses can be used to specify a different<br />

reference category. For example, POSTHOC = A (DUNNETT(2)) requests a DUNNETT test<br />

for factor A, using the second level of A as the reference category.<br />

• The keywords DUNCAN, DUNNETT, DUNNETTL, and DUNNETTR must be spelled out in<br />

full; using the first three characters alone is not sufficient.<br />

• If the REGWT subcommand is specified, weighted means are used in performing post<br />

hoc tests.

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